Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “dl” is missing a required child element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “yes” for attribute “loop” on element “video”.
Bad value “true” for attribute “autoplay” on element “video”.
Bad value “true” for attribute “preload” on element “video”.
Bad value “880px” for attribute “width” on element “video”: Expected a digit but saw “p” instead.
Bad value “536px” for attribute “height” on element “video”: Expected a digit but saw “p” instead.
Bad value “202px” for attribute “width” on element “video”: Expected a digit but saw “p” instead.
Bad value “359px” for attribute “height” on element “video”: Expected a digit but saw “p” instead.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “true” for attribute “required” on element “input”.
Any “input” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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